-- @testpoint: opengauss关键字maxsize(非保留)，作为函数名,部分测试点合理报错

--关键字不带引号-成功
drop function if exists maxsize;
create function maxsize(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--关键字带双引号-成功
drop function if exists "maxsize";
create function "maxsize"(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--关键字带单引号-合理报错
drop function if exists 'maxsize';
create function 'maxsize'(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--关键字带反引号-合理报错
drop function if exists `maxsize`;
create function `maxsize`(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--清理环境
drop function if exists maxsize(integer);
drop function if exists "maxsize"(integer);